carlton7711 carlton7711

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Mathematics

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From a population of 200 elements, a sample of 49 elements is selected. It is determined that the sample mean is 56 and the sample standard deviation is 14. The standard error of the mean isa. 3b. 2c. greater than 2d. less than 2

Answer :

princessesther2011 princessesther2011

Today at 1:40 PM

Answer:

(b) 2

Step-by-step explanation:

Standard error is given by sample standard deviation ÷ square root of sample size

sample standard deviation = 14

sample size = 49

standard error = 14 ÷ √49 = 14 ÷ 7 = 2

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